The force applied on the machine by the user is known as :
Load
Effort
Fulcrum
Efficiency
A triangular shaped tool with a sharp edge is called :
Wheel and axle
Pulley
Wedge
Lever
Pick out the odd one.
Knife
Needle
Door knobs
Nail
The ratio of the work output to the work input is :
Mechanical advantage
Work
power
Match the following.
(i) - d, (ii) - b, (iii) - c, (iv) - a
(i) - b, (ii) - c, (iii) - d, (iv) - a
(i) - c, (ii) - a, (iii) - d, (iv) - b
(i) - c, (ii) - d, (iii) - a, (iv) - b
Class I lever : Beam balance :: Class II lever : ?
Wheel barrow
Pliers
Sea-saw
A forearm
Efficiency = ?
You need to lift a piano to the third floor. Which simple machine would not work?
Inclined plane
Which of the following is not considered as a simple machine ?
What is a simple machine?
Tool that gives electricity to other machines
A machine that does only one job
Any tool that makes work easier
A machine that is made up of many smaller parts
